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Which of the following statements is true for ALL quadratic functions? a)They all have a minimum b)The domain is (-∞, ∞) c)They all have a maximum d)The range is (-∞, ∞)
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Which of the following statements is true for ALL quadratic functions?

a)They all have a minimum

b)The domain is (-∞, ∞)

c)They all have a maximum

d)The range is (-∞, ∞)

User Webmonkey
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4.0k points

1 Answer

3 votes
Only b is correct.

All quadratic equations have either a minimum or a maximum, which means the range stops when it reaches a maximum or a minimum.
User Chintan Thummar
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4.4k points
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